I wasn't able to retrieve the actual article content — the page returned only a Cloudflare "Enable JavaScript and cookies to continue" challenge screen rather than the news text. I don't have enough genuine information from this source to write an accurate summary, and I don't want to guess or fabricate details about the Barnsley by-election candidate.

Could you paste the article text directly, or try a different link to the same story? That would let me produce an accurate summary.